David Brown 850 Implematic vs URSUS C-335

10 material differences · fewer than 12

Tractor one

David Brown 850 Implematic

1960–1965

No measured PTO figure

Tractor two

URSUS C-335

1967–1987

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1960–1965; 1967–1987). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

10 material differences · 5 fields identical or within 5%, which is not counted as material

David Brown 850 Implematic and URSUS C-335, field by field
Field850 ImplematicC-335Gap
Engine
Engine power, claimed claimed35.0 hp30.0 hp+17% 850 Implematic
Engine declaredDAVID BROWN AD 4/36 A-106URSUS S-312 Cdiffers
Displacement declared2.52 L1.96 L+29% 850 Implematic
Maximum torque declared110 lb·ft · 149 N·m77 lb·ft · 104 N·m+43% 850 Implematic
Transmission
Top speed declared15.5 mph · 25 km/h14.9 mph · 24 km/h
Clutch declaredPedal-operated dry BORG & BECK single-plate clutch type 10 inch
Hydraulics & hitch
Pump flow declared6.0 gpm · 22.7 L/min4.8 gpm · 18.0 L/min+26% 850 Implematic
Three-point lift at ends declared1,931 lb · 876 kg1,543 lb · 700 kg+25% 850 Implematic
Rear PTO speeds declared540 rpm540 rpm
Weight & dimensions
Unladen weight declared3,704 lb · 1,680 kg3,924 lb · 1,780 kg+6% C-335
Wheelbase declared75.2 in · 1,911 mm73.6 in · 1,870 mm
Length declared114.0 in · 2,896 mm121.3 in · 3,080 mm+6% C-335
Width declared62.8 in · 1,594 mm60.4 in · 1,535 mm
Height declared51.5 in · 1,308 mm81.5 in · 2,070 mm+58% C-335
Ground clearance declared15.5 in · 394 mm15.7 in · 400 mm
Turning radius, braked declared7.9 ft · 2.41 m10.6 ft · 3.22 m+34% C-335
Fuel tank declared42.1 qt · 39.8 L37.0 qt · 35.0 L+14% 850 Implematic

David Brown 850 Implematic sources

Source
  • Source: Traktorenlexikon, “David Brown 850”

URSUS C-335 sources

Source
  • Source: Traktorenlexikon, “Ursus C-335”
  • Source: Wikipedia (pl): Ursus C-335 (open data)